{ You will be asked for your log-in details. The default log-in is a blank field for the user name and “admin” for password. If you have set up a User name and Password for your Linksys router before, enter your personalized credentials instead. }

Notice if you do not change the default password (admin) then any hacker can access the machine and modify the setup.

2nd make sure you set up an encrypted or “secure” wireless network. There are many ways to do this, and since there are many WiFi devices these are truly too many to discuss in one blog post(this one is a Linksys router):

here you can choose the technology /encryption to use.

WEP(Wired Equivalent Privacy ) is bad – it can be easily hacked using some tools well-known in the pentesting community.